A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2) vs AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50)
The A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2) is the more efficient unit: UEF 3.88 versus 3.75 — about 3% less energy for the same hot water. At national average rates that works out to about $147/year for the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) against $217/year for the A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2) — a $70 annual difference. The A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2) delivers more hot water in the peak hour (95 gal first-hour rating vs 68 gal).
| A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2) | AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) | |
|---|---|---|
| Uniform Energy Factor (UEF) | 3.88 | 3.75 |
| Fuel | Electric | Electric |
| First-hour rating | 95 gal | 68 gal |
| Rated storage volume | 82 gal | 45 gal |
| Draw pattern | High | Medium |
| Annual electricity use | 1279 kWh/yr | 867 kWh/yr |
| Heat pump type | 240 Volt Integrated HPWH | 240 Volt Integrated HPWH |
| Input voltage | 240 | 240 |
| Max current draw | 22 A | 21 A |
| Recovery efficiency | 430 % | 430 % |
| Smart / connected capable | Yes | Yes |
| Refrigerant (GWP) | R-134a (GWP:1430) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 37 °F | 35 °F |
| Height | 69 in | 45.8 in |
| Diameter | 27 in | 18.2 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2) or the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50)?
The AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50): about $147/year versus $217/year for the A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2) at national average rates — a $70 annual difference.
Are the A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2) and AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) both ENERGY STAR certified?
Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.